extern int dlagv2_(doublereal *a, integer *lda, doublereal *b, integer *ldb, doublereal *alphar, doublereal *alphai, doublereal *beta, doublereal *csl, doublereal *snl, doublereal *csr, doublereal *snr);
/*:ref: dlamch_ 7 2 13 124 */
/*:ref: dlartg_ 14 5 7 7 7 7 7 */
/*:ref: drot_ 14 7 4 7 4 7 4 7 7 */
/*:ref: dlag2_ 14 10 7 4 7 4 7 7 7 7 7 7 */
/*:ref: dlapy2_ 7 2 7 7 */
/*:ref: dlasv2_ 14 9 7 7 7 7 7 7 7 7 7 */
